JPH03119293U - - Google Patents
Info
- Publication number
- JPH03119293U JPH03119293U JP2749090U JP2749090U JPH03119293U JP H03119293 U JPH03119293 U JP H03119293U JP 2749090 U JP2749090 U JP 2749090U JP 2749090 U JP2749090 U JP 2749090U JP H03119293 U JPH03119293 U JP H03119293U
- Authority
- JP
- Japan
- Prior art keywords
- vertical bar
- mounting part
- attached
- insulating
- checker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2749090U JPH03119293U (da) | 1990-03-16 | 1990-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2749090U JPH03119293U (da) | 1990-03-16 | 1990-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119293U true JPH03119293U (da) | 1991-12-09 |
Family
ID=31530343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2749090U Pending JPH03119293U (da) | 1990-03-16 | 1990-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119293U (da) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011126608A (ja) * | 2009-12-15 | 2011-06-30 | Nishimatsu Constr Co Ltd | クレーンブーム接触防止センサーおよびクレーンブーム接触防止センサーの取付構造 |
| US20230356987A1 (en) * | 2022-05-05 | 2023-11-09 | Quanta Associates, L.P. | Retrofit System and Method for Maintaining Minimum Approach Distance |
-
1990
- 1990-03-16 JP JP2749090U patent/JPH03119293U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011126608A (ja) * | 2009-12-15 | 2011-06-30 | Nishimatsu Constr Co Ltd | クレーンブーム接触防止センサーおよびクレーンブーム接触防止センサーの取付構造 |
| US20230356987A1 (en) * | 2022-05-05 | 2023-11-09 | Quanta Associates, L.P. | Retrofit System and Method for Maintaining Minimum Approach Distance |
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